fix `/failures` JS init in pipelines view

app/assets/javascripts/pages/projects/pipelines/builds/index.js

-import initPipelineDetails from '~/pipelines/pipeline_details_bundle';
-import initPipelines from '../init_pipelines';
-
-document.addEventListener('DOMContentLoaded', () => {
-  initPipelines();
-  initPipelineDetails();
-});
+// /builds is an alias for show
+import '../show/index';

app/assets/javascripts/pages/projects/pipelines/failures/index.js

-import initPipelines from '../init_pipelines';
-
-document.addEventListener('DOMContentLoaded', initPipelines);
+// /failures is an alias for show
+import '../show/index';

changelogs/unreleased/leipert-fix-pipelines-view.yml

+---
+title: Fix rendering of pipeline failure view when directly navigationg to it
+merge_request: 21043
+author:
+type: fixed